PC Stats published a beginners guides about virtualize your Windows 8 CP Installation
There are two ways to go about testing a new OS like Windows 8; 1) install the OS to a spare computer system and test away, or 2) install the OS to a virtualized PC. In this Beginners Guide, PCSTATS will show you how to create a virtual PC with Oracle VirtualBox v4.1.18 (it's free and very capable virtualization softare) and then install Windows 8 Consumer Preview to that virtual machine.Beginners Guides: Virtualized Windows 8 CP Installation